master d16494cffb: Suppress deprecation warnings on macOS (bug#58966)

[Gerd Moellmann]

branch: master
commit d16494cffbed79a916482558ae5ed1bdcc67c88d
Author: Gerd Möllmann <gerd@gnu.org>
Commit: Gerd Möllmann <gerd@gnu.org>

    Suppress deprecation warnings on macOS (bug#58966)
    
    * configure.ac (CHECK_LISP_OBJECT_TYPE): Add
    -Wno-deprecated-declarations for darwin.
---
 configure.ac | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/configure.ac b/configure.ac
index 63cb9c412e..c9d1eb5709 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1144,6 +1144,12 @@ AS_IF([test $gl_gcc_warnings = no],
     gl_WARN_ADD([-Wno-int-in-bool-context])
   fi
 
+  # Suppress deprecation warnings from using sprintf variants,
+  # starting with Xcode 14.1 on macOS 13.
+  if test $opsys = darwin; then
+    gl_WARN_ADD([-Wno-deprecated-declarations])
+  fi
+
   # This causes too much noise in the MinGW build
   if test $opsys = mingw32; then
     gl_WARN_ADD([-Wno-pointer-sign])